MESON Chess Problem Database

Problem Display
PID: 206272 (2K5/3N4/2p3B1/3k1N2/1R1P4/3R2P1/8/8 w - - 0 1)

Green, GD

Schackvarlden, 1925

2K5/3N4/2p3B1/3k1N2/1R1P4/3R2P1/8/8

#2

8 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Se7#
  • Tries
    • 1.Sb6+?
      • 1...Ke4
        • 2.Sh4#
        • 2.Sd6#
        • 2.Sh6#
        • 2.Se7#
        • 2.Sg7#
        • 2.Re3#
      • 1...Ke6!
    • 1.Sf8?
      • 1...Ke4
        • 2.Se7#
      • 1...c5!
  • Keys
    • 1.Rb6!
      • 1...Kc4
        • 2.Se3#
      • 1...Ke4
        • 2.Se7#
      • 1...Ke6
        • 2.d5#
      • 1...c5
        • 2.Se3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(F)+S(E)
  • Tries
    • Try
      • S(G);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(G);
      • Vars
        • K(a);S_FLIGHT::B(F)+S(E)
      • Refutation
        • P(b);
  • Actual
    • R(C);
    • Vars
      • K(a);S_FLIGHT::S(E)
      • K(a);S_FLIGHT::B(F)+S(E)
      • K(a);OGATE,P_SPINP(b),S_FLIGHT::P(D)
      • P(b);::S(E)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).